"use strict";

(function (global) {
  let boundGroundWorld = null;

  function activeWorld(fallback = null) {
    if (fallback?.cycleGroundType) return fallback;
    if (boundGroundWorld?.cycleGroundType) return boundGroundWorld;
    if (global.world?.cycleGroundType) return global.world;
    try {
      if (typeof world !== "undefined" && world?.cycleGroundType) return world;
    } catch (_) { /* global lexical world may not exist yet */ }
    return null;
  }

  function groundDef(worldRef = null) {
    const worldObj = activeWorld(worldRef);
    const id = worldObj?.groundType || "soil";
    return global.TarinaiGround.definition(id);
  }

  function groundTip(worldRef = null) {
    const def = groundDef(worldRef);
    return global.TarinaiGround.tooltipText(def.id);
  }

  function updateGroundUI(worldRef = null) {
    const uiRef = global.ui || {};
    const def = groundDef(worldRef);
    const label = def.label || "\u5730\u9762";
    const statEl = uiRef.statGroundType || document.getElementById("statGroundType");
    const btnEl = uiRef.groundTypeBtn || document.getElementById("groundTypeBtn");
    if (statEl) setTextIfChanged(statEl, "groundType", label);
    if (btnEl) {
      const desc = def.description || "\u30af\u30ea\u30c3\u30af\u3067\u5207\u308a\u66ff\u3048";
      btnEl.dataset.tip = desc;
      btnEl.removeAttribute("title");
      btnEl.setAttribute("aria-label", desc ? `\u5730\u9762\u3092\u5207\u308a\u66ff\u3048\u308b\u3002\u73fe\u5728\u306f${label}\u3002${desc}` : `\u5730\u9762\u3092\u5207\u308a\u66ff\u3048\u308b\u3002\u73fe\u5728\u306f${label}`);
      global.TarinaiTooltips.refresh(btnEl);
    }
  }

  function cycleGroundFromEvent(event = null, fallbackWorld = null) {
    event?.preventDefault?.();
    event?.stopPropagation?.();
    event?.stopImmediatePropagation?.();
    const now = (global.performance?.now?.() || Date.now());
    if (now - (cycleGroundFromEvent.lastAt || 0) < 120) return;
    cycleGroundFromEvent.lastAt = now;
    const currentWorld = activeWorld(fallbackWorld);
    if (!currentWorld?.cycleGroundType) {
      if (typeof showToast === "function") showToast("\u5730\u9762\u3092\u307e\u3060\u5207\u308a\u66ff\u3048\u3089\u308c\u307e\u305b\u3093\u3002");
      return;
    }
    global.audio?.uiClick?.();
    currentWorld.cycleGroundType();
    global.TarinaiRender.invalidateRenderCaches("ground-cycle");
    if (global.uiCache) {
      if (global.uiCache.stats) global.uiCache.stats.groundType = "";
      global.uiCache.lastChartDraw = "";
    }
    updateGroundUI(currentWorld);
    global.renderStats();
    global.render();
  }

  function isGroundToggleTarget(target) {
    return Boolean(target?.closest?.("[data-ground-toggle], #groundTypeBtn, .ground-stat"));
  }

  function bindGroundUI(worldRef = null) {
    const worldObj = activeWorld(worldRef);
    if (worldObj) boundGroundWorld = worldObj;
    const btn = global.ui?.groundTypeBtn || document.getElementById("groundTypeBtn");
    const container = btn?.closest?.(".ground-stat") || document.querySelector(".ground-stat");
    if (!btn) return;
    btn.dataset.groundToggle = "1";
    if (container) container.dataset.groundToggle = "1";
    if (btn.dataset.groundBound !== "1") {
      btn.dataset.groundBound = "1";
      btn.addEventListener("pointerup", (event) => cycleGroundFromEvent(event, worldObj), { passive: false });
      btn.addEventListener("click", (event) => cycleGroundFromEvent(event, worldObj), { passive: false });
    }
    if (container && container.dataset.groundBound !== "1") {
      container.dataset.groundBound = "1";
      container.addEventListener("pointerup", (event) => {
        if (!isGroundToggleTarget(event.target)) return;
        cycleGroundFromEvent(event, worldObj);
      }, { passive: false });
      container.addEventListener("click", (event) => {
        if (!isGroundToggleTarget(event.target)) return;
        cycleGroundFromEvent(event, worldObj);
      }, { passive: false });
      container.addEventListener("keydown", (event) => {
        if (event.key !== "Enter" && event.key !== " ") return;
        cycleGroundFromEvent(event, worldObj);
      });
    }
    if (document.body && document.body.dataset.groundCaptureBound !== "1") {
      document.body.dataset.groundCaptureBound = "1";
      document.addEventListener("click", (event) => {
        if (!isGroundToggleTarget(event.target)) return;
        cycleGroundFromEvent(event, activeWorld(worldObj));
      }, { capture: true, passive: false });
    }
    global.TarinaiTooltips.bind(btn, () => groundTip(activeWorld(worldObj)));
    updateGroundUI(activeWorld(worldObj));
  }

  global.TarinaiGroundUI = Object.freeze({
    bind: bindGroundUI,
    update: updateGroundUI,
  });
})(window);